This 40J mini YAG laser welder delivers precise, high-energy welds in a compact footprint.

Designed for retail jewelers and repair shops, it handles everything from ring sizing to delicate chain repairs. Simple to operate and easy to move, it is the perfect upgrade for small workshops.

Product Feature

40J High Pulse Energy

Delivers strong, deep welds for gold and silver. Handles tough jewelry repairs with ease.

360° Rotatable Laser Head

Weld from any angle without moving the workpiece. Perfect for complex ring and chain structures.

Compact & Portable Design

Saves valuable bench space. Features built-in casters for easy movement around your workshop

Intuitive Touch Control

LCD screen for quick parameter adjustments. No steep learning curve for your staff.

Products Specifications

Feature	KY-JW200Y	KY-JW300Y	KY-JW400Y
Laser Power	200W	300W	400W
Laser Type	YAG Pulsed Xenon Lamp	YAG Pulsed Xenon Lamp	YAG Pulsed Xenon Lamp
Power Supply	220V ±10%, 50/60Hz	380V ±10%, 50/60Hz	380V ±10%, 50/60Hz
Pulse Width	≤ 20ms	≤ 20ms	≤ 20ms
Spot Size	0.1 ~ 3mm	0.1 ~ 3mm	0.1 ~ 3mm
Wavelength	1064nm	1064nm	1064nm
Focal Length	100mm	100mm	100mm
Frequency	≤ 50Hz (Adjustable)	≤ 50Hz (Adjustable)	≤ 50Hz (Adjustable)
Cooling System	Built-in Water Cooling	Built-in Water Cooling	Built-in Water Cooling
Observation	Microscope (360° Rotation)	Microscope (360° Rotation)	Microscope (360° Rotation)
Shielding Gas	Argon (Single Line)	Argon (Single Line)	Argon (Single Line)
Wire Diameter	0.1 ~ 0.6mm	0.1 ~ 0.6mm	0.1 ~ 0.6mm
Dimensions	1250 x 580 x 1200mm	1250 x 580 x 1200mm	1250 x 580 x 1200mm
Weight	250 - 350kg	250 - 350kg	250 - 350kg

Overview & Ergonomics

Integrated design

All-in-one compact structure with built-in casters. Move and install anywhere in your workshop or retail store - no complex setup required.

Microscope

10X HD microscope with 360° rotation. Crystal-clear view of micro-welding spots, ensuring precision on delicate jewelry structures like rings and chains.

Touch Panel

Intuitive touchscreen interface for fast parameter adjustment. No training needed - operators can start welding within minutes.

Core Hardware & Performance

Laser Head

360° Rotatable Laser Head for Flexible Positioning. The head rotates freely to access complex angles without repositioning the workpiece, enhancing precision and protecting the laser optics during operation.

HD Touch Control System

HD Touch Control System for Intuitive Operation. Stable, responsive interface allows quick parameter adjustment - no training required for operators to start welding efficiently.

Workbench

Precision Adjustable Workbench for Stable Processing. Multi-axis movement ensures accurate alignment of jewelry pieces, supporting complex repairs with consistent results.

Chiller

Industrial-Grade Chiller for 24/7 Continuous Operation. High-efficiency cooling system maintains optimal laser performance with excellent heat dissipation, ensuring reliability during peak production.

Wide Range of Industrial & Craft Applications

Designed for versatility, the Portable 40J Mini Spot YAG Laser Welder excels in:

Jewelry Manufacturing & Repair: Gold, silver, and platinum welding with minimal post-processing.
Electronic Component Assembly: Precise joining of sensitive parts.
Dental Lab Work: High-precision welding for dental appliances.
Mobile Repair Services: Lightweight design enables efficient on-site operations.

More About Us

FAQ

Q1: Are you a manufacturer or a trading company?

A: We are a direct manufacturer established in 2006, located in Wuhan, China. We provide high-quality, cost-effective laser equipment directly from our factory. Factory visits are always welcome.

Q2: How do I know if this machine fits my needs?

A: Simply tell us your target materials, maximum working area, and required thickness. Our engineers will recommend the most suitable machine configuration for your specific job.

Q3: What if I don't know how to operate the machine?

A: We provide comprehensive user manuals and video tutorials. If you still need help, our technical team offers free online support via email or video call until you master the operation.

Q4: What happens if the machine breaks down?

A: We offer a 12-month warranty with free replacement parts for any defects. After the warranty period, we still provide lifetime technical support and maintenance.

Q5: Can you test my sample before I buy?

A: Yes, we offer free online testing. You can send us your workpiece or photos. We will weld/mark it and send you a video or the finished sample for evaluation. (Buyers cover return shipping).

Q6: What is the delivery time?

A: Standard models ship within 5–7 days. Customized or non-standard machines take 7–10 days, depending on the order quantity.

Q7: Is the machine safe during shipping?

A: Absolutely. We use a 3-layer protection system: inner foam, waterproof stretch film, and a standard export wooden case. If any transit damage occurs, contact us immediately for a quick resolution.

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